function fourth_floor_overmenu(i){
	document.getElementById("fifth-floor").style.top="-514px"
	document.getElementById("sixth-floor").style.top="-514px"
	document.getElementById("fourth-a"+i).style.color="red";
	document.getElementById("fourth-floor-menu"+i).style.zIndex="9999";
	document.getElementById("fourth-floor-menu"+i).style.display="block";
}
function fourth_floor_outmenu(i){
	document.getElementById("fifth-floor").style.top="-123px"
	document.getElementById("sixth-floor").style.top="-123px"
	document.getElementById("fourth-a"+i).style.color="#E0E0E0";
	document.getElementById("fourth-floor-menu"+i).style.zIndex="-99999";
	document.getElementById("fourth-floor-menu"+i).style.display="none";
}
function fourth_floor_ul_overmenu(i){
	document.getElementById("fifth-floor").style.top="-514px"
	document.getElementById("sixth-floor").style.top="-514px"
	document.getElementById("fourth-a"+i).style.color="red";
	document.getElementById("fourth-floor-menu"+i).style.zIndex="9999";
	document.getElementById("fourth-floor-menu"+i).style.display="block";
}
function fourth_floor_ul_outmenu(i){
	document.getElementById("fifth-floor").style.top="-123px"
	document.getElementById("sixth-floor").style.top="-123px"
	document.getElementById("fourth-a"+i).style.color="#E0E0E0";
	document.getElementById("fourth-floor-menu"+i).style.zIndex="-99999";
	document.getElementById("fourth-floor-menu"+i).style.display="none";
}